EP0887241A3 - Appareil d'estimation de l'état de surface de route et appareil de traitement de réduction de variation - Google Patents

Appareil d'estimation de l'état de surface de route et appareil de traitement de réduction de variation Download PDF

Info

Publication number
EP0887241A3
EP0887241A3 EP98111728A EP98111728A EP0887241A3 EP 0887241 A3 EP0887241 A3 EP 0887241A3 EP 98111728 A EP98111728 A EP 98111728A EP 98111728 A EP98111728 A EP 98111728A EP 0887241 A3 EP0887241 A3 EP 0887241A3
Authority
EP
European Patent Office
Prior art keywords
road surface
surface condition
converting
reduction processing
resonance gain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98111728A
Other languages
German (de)
English (en)
Other versions
EP0887241A2 (fr
Inventor
Hiroyuki K.K. Toyota Chuo Kenkyusho Yamaguchi
Katsuhiro K.K. Toyota Chuo Kenkyusho Asano
Eiichi K.K. Toyota Chuo Kenkyusho Ono
Takaji c/o K.K. Toyota Chuo Kenkyusho Umeno
Masaru c/o K.K. Toyota Chuo Kenkyusho Sugai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Central R&D Labs Inc
Original Assignee
Toyota Central R&D Labs Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP17179097A external-priority patent/JP3435625B2/ja
Priority claimed from JP32692197A external-priority patent/JP3424535B2/ja
Priority claimed from JP10154098A external-priority patent/JP3436124B2/ja
Application filed by Toyota Central R&D Labs Inc filed Critical Toyota Central R&D Labs Inc
Publication of EP0887241A2 publication Critical patent/EP0887241A2/fr
Publication of EP0887241A3 publication Critical patent/EP0887241A3/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17—Using electrical or electronic regulation means to control braking
    • B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2210/00—Detection or estimation of road or environment conditions; Detection or estimation of road shapes
    • B60T2210/10—Detection or estimation of road conditions
    • B60T2210/12—Friction

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)
EP98111728A 1997-06-27 1998-06-25 Appareil d'estimation de l'état de surface de route et appareil de traitement de réduction de variation Withdrawn EP0887241A3 (fr)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP17179097 1997-06-27
JP17179097A JP3435625B2 (ja) 1997-06-27 1997-06-27 路面状態演算装置
JP171790/97 1997-06-27
JP326921/97 1997-11-11
JP32692197 1997-11-11
JP32692197A JP3424535B2 (ja) 1997-11-11 1997-11-11 路面状態推定装置
JP10154098 1998-04-13
JP10154098A JP3436124B2 (ja) 1998-04-13 1998-04-13 変動減少処理装置及び路面状態推定装置
JP101540/98 1998-04-13

Publications (2)

Publication Number Publication Date
EP0887241A2 EP0887241A2 (fr) 1998-12-30
EP0887241A3 true EP0887241A3 (fr) 1999-12-15

Family

ID=27309488

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98111728A Withdrawn EP0887241A3 (fr) 1997-06-27 1998-06-25 Appareil d'estimation de l'état de surface de route et appareil de traitement de réduction de variation

Country Status (2)

Country Link
US (1) US6324461B1 (fr)
EP (1) EP0887241A3 (fr)

Families Citing this family (42)

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JP3271952B2 (ja) * 1999-07-30 2002-04-08 富士重工業株式会社 車両の路面摩擦係数推定装置
DE10116356B4 (de) * 2000-04-03 2007-04-12 Aisin Seiki K.K., Kariya Bremskraftregelvorrichtung
DE10116353B4 (de) * 2000-04-03 2006-03-30 Aisin Seiki K.K., Kariya Bremskraftverteilungssteuervorrichtung
JP2001287632A (ja) * 2000-04-05 2001-10-16 Toyota Central Res & Dev Lab Inc 制動力制御装置
JP2001334921A (ja) * 2000-05-30 2001-12-04 Fuji Heavy Ind Ltd 車両の路面摩擦係数推定装置
EP1223071A4 (fr) * 2000-06-28 2004-10-20 Bridgestone Corp Procede de commande de vehicule et appareil de commande de vehicule
US6525671B1 (en) * 2000-08-14 2003-02-25 Frederick Forbes Vannan Road surface friction (RSF) monitoring system
JP2002172920A (ja) * 2000-09-29 2002-06-18 Toyota Central Res & Dev Lab Inc タイヤ空気圧推定装置
JP3769459B2 (ja) * 2000-10-13 2006-04-26 株式会社豊田中央研究所 タイヤバースト予測装置
JP4109542B2 (ja) * 2000-10-17 2008-07-02 コンティネンタル・テーベス・アクチエンゲゼルシヤフト・ウント・コンパニー・オッフェネ・ハンデルスゲゼルシヤフト トラクションスリップコントロールシステムの制御特性を改善する方法
WO2002068226A1 (fr) * 2001-02-26 2002-09-06 Toyota Jidosha Kabushiki Kaisha Appareil de mesure de l'etat d'un pneumatique et appareil de determination d'un etat anormal de pneumatique
JP2002248916A (ja) * 2001-02-26 2002-09-03 Toyota Motor Corp タイヤ情報取得装置、タイヤ情報取得方法およびタイヤ情報取得プログラム
EP1355209A1 (fr) * 2002-04-18 2003-10-22 Ford Global Technologies, LLC Système de contrôle de véhicule
JP3855886B2 (ja) * 2002-08-29 2006-12-13 トヨタ自動車株式会社 路面状態変化推定装置およびこれを搭載する自動車
US20060100783A1 (en) * 2004-10-21 2006-05-11 Sick Ag Monitoring the surroundings of a vehicle
US20060253243A1 (en) * 2005-05-06 2006-11-09 Jacob Svendenius System and method for tire/road friction estimation
US7751961B2 (en) * 2005-09-15 2010-07-06 Gm Global Technology Operations, Inc. Acceleration/deceleration induced real-time identification of maximum tire-road friction coefficient
JP4777040B2 (ja) * 2005-10-24 2011-09-21 住友ゴム工業株式会社 タイヤの走行シミュレーション方法
JP2007315247A (ja) * 2006-05-24 2007-12-06 Hitachi Ltd エンジン制御装置
US7753156B2 (en) * 2006-10-06 2010-07-13 Yamaha Hatsudoki Kabushiki Kaisha Control system and vehicle including the same
US7415872B2 (en) * 2006-10-09 2008-08-26 Chrysler Llc Method and code for determining characteristic of road surface beneath moving vehicle
FR2910417B1 (fr) * 2006-12-21 2012-07-06 Messier Bugatti Procede de commande adaptatif de freinage pour vehicule.
DE102007024310A1 (de) * 2007-05-24 2008-11-27 Wabco Gmbh Verfahren zur Beurteilung der Kompatibilität von Bremsanlagen einer Fahrzeugkombination und Vorrichtung zur Beurteilung der Kompatibilität
JP5103066B2 (ja) * 2007-06-21 2012-12-19 富士重工業株式会社 車両の路面状態推定装置
US7483808B2 (en) * 2007-06-29 2009-01-27 Caterpillar Inc. System and method for measuring machine rolling resistance
US9354068B2 (en) * 2008-01-14 2016-05-31 Blackberry Limited System and method for dynamically downloading and displaying map data
US8175785B2 (en) * 2008-12-22 2012-05-08 GM Global Technology Operations LLC System and method for performance launch control of a vehicle
US8200408B2 (en) * 2008-12-22 2012-06-12 GM Global Technology Operations LLC System and method for active traction control of a vehicle
FR2945122B1 (fr) * 2009-04-29 2011-09-16 Renault Sas Procede et dispositif d'evaluation de l'usure d'un pneu
US8620555B2 (en) * 2009-11-30 2013-12-31 GM Global Technology Operations LLC Wheel slip determination for vehicles
DE102011015509A1 (de) * 2010-06-30 2012-01-05 Wabco Gmbh Verfahren und Vorrichtung zur Steuerung zumindest eines Fahrerassistenzsystems eines Fahrzeuges und damit ausgestattetes Fahrzeug
US8874345B2 (en) * 2012-04-04 2014-10-28 General Electric Company Method and system for identifying an erroneous speed of a vehicle
CN102721397A (zh) * 2012-06-07 2012-10-10 江苏科技大学 基于垂直动载荷的现代时间序列提取路面特征参数的方法
CA2888335A1 (fr) * 2012-10-19 2014-04-24 Roadroid Ab Procede et systeme de surveillance de l'etat des routes
US9989967B2 (en) * 2014-03-04 2018-06-05 Cybernet Systems Corporation All weather autonomously driven vehicles
JP2015231825A (ja) * 2014-05-13 2015-12-24 トヨタ自動車株式会社 車両の走行制御装置
EP3059129B1 (fr) * 2015-02-17 2020-04-15 Hexagon Technology Center GmbH Procédé et système pour déterminer un état de la route
US10053100B2 (en) * 2015-10-09 2018-08-21 Cnh Industrial America Llc Slip control system for an off-road vehicle
DE102017202296A1 (de) * 2017-02-14 2018-08-16 Audi Ag Schätzverfahren für den Reibwert eines hydraulischen Bremssystems
JP7010152B2 (ja) * 2018-06-14 2022-02-10 トヨタ自動車株式会社 車両のブレーキ制御装置
CN113449247B (zh) * 2021-08-31 2021-11-23 武汉元丰汽车电控系统股份有限公司 路面粗糙程度计算方法、装置、电子设备及存储介质
CN114228721A (zh) * 2022-01-29 2022-03-25 苏州挚途科技有限公司 路面附着系数的计算方法、装置和系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622698A1 (de) * 1995-06-05 1996-12-12 Nippon Denso Co Bremszustandssensor und diesen verwendende Fahrzeug-Steuereinheit
EP0825080A2 (fr) * 1996-08-20 1998-02-25 Kabushiki Kaisha Toyota Chuo Kenkyusho Système de freinage anti-blocage

Family Cites Families (18)

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DE3500745A1 (de) * 1985-01-11 1986-07-17 Alfred Teves Gmbh, 6000 Frankfurt Verfahren und schaltungsanordnung zur anpassung der schlupfregelung an den momentanen reibwert
JPH0678058B2 (ja) * 1985-04-02 1994-10-05 トキコ株式会社 アンチスキツド制御装置
DE3735673A1 (de) 1987-10-22 1989-05-03 Bosch Gmbh Robert Verfahren zur fortlaufenden bestimmung des kraftschlussbeiwerts (my) und/oder steigung k(my) der (my)-schlupfkurve
JP2503245B2 (ja) 1988-03-31 1996-06-05 日産自動車株式会社 アンチスキッド制御装置
JPH0238174A (ja) * 1988-07-29 1990-02-07 Aisin Seiki Co Ltd 路面状態検出装置および車上制御装置
DE3833211C2 (de) 1988-09-30 1996-07-25 Bosch Gmbh Robert Verfahren zur fortlaufenden Bestimmung des Kraftschlußbeiwerts mu
EP0363570B1 (fr) * 1988-10-13 1996-02-21 Japan Electronics Industry, Ltd. Détecteur de friction de surface de route et détecteur de coefficient de friction de surface de route et dispositif de freinage à antiblocage de véhicule
US4947332A (en) * 1989-09-27 1990-08-07 General Motors Corporation Road surface estimation
JP2970353B2 (ja) 1993-11-09 1999-11-02 三菱自動車工業株式会社 路面状態検出装置
US5586028A (en) * 1993-12-07 1996-12-17 Honda Giken Kogyo Kabushiki Kaisha Road surface condition-detecting system and anti-lock brake system employing same
JP3304575B2 (ja) * 1993-12-17 2002-07-22 トヨタ自動車株式会社 アンチロック制御装置
JP2964875B2 (ja) * 1994-07-19 1999-10-18 株式会社デンソー アンチスキッド制御装置
TW325448B (en) 1994-08-29 1998-01-21 Toyoda Chuo Kenkyusho Kk Anti-lock brake controlling apparatus
JP3138603B2 (ja) * 1994-11-30 2001-02-26 三菱電機株式会社 アンチスキッド制御装置
JPH08218828A (ja) 1995-02-15 1996-08-27 Yasunobu Toneaki 回転する弁を持つ発動機
JPH0920223A (ja) * 1995-07-07 1997-01-21 Nippondenso Co Ltd 路面状態識別装置
US5869753A (en) * 1995-08-25 1999-02-09 Honda Giken Kogyo Kabushiki Kaisha System for estimating the road surface friction
JP3497304B2 (ja) * 1995-11-17 2004-02-16 本田技研工業株式会社 車両の制動力制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19622698A1 (de) * 1995-06-05 1996-12-12 Nippon Denso Co Bremszustandssensor und diesen verwendende Fahrzeug-Steuereinheit
EP0825080A2 (fr) * 1996-08-20 1998-02-25 Kabushiki Kaisha Toyota Chuo Kenkyusho Système de freinage anti-blocage

Also Published As

Publication number Publication date
US6324461B1 (en) 2001-11-27
EP0887241A2 (fr) 1998-12-30

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